Home / 8,431,308.64-11,641,913.04-7,786,492.96

Finding the Fourth Proportional to 8,431,308.64, 11,641,913.04 and 7,786,492.96

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Solution

The fourth proportional to 8,431,308.64, 11,641,913.04 and 7,786,492.96 is: 10,751,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,308.64 : 11,641,913.04 = 7,786,492.96 : x
  2. Step 2: Convert to fraction form
    8,431,308.64/11,641,913.04 = 7,786,492.96/x
  3. Step 3: Cross multiply
    8,431,308.64x = 11,641,913.04 × 7,786,492.96
  4. Step 4: Simplify right side
    8,431,308.64x = 90,649,673,926,892.19
  5. Step 5: Solve for x
    x = 90,649,673,926,892.19/8,431,308.64
  6. Step 6: Final answer
    x = 10,751,554.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.